Let’s talk about roast chicken, shall we? Serves: 4 Ingredients: 1 whole properly free-range chicken 50-100g unsalted butter, softened 6 rashers of unsmoked streaky bacon 2 lemons, halved 8 rosemary sprigs 12 garlic cloves, left whole and unpeeled 2 tbsp olive oil 300g chorizo, thickly sliced 500g small new potatoes, left whole Cornish sea salt and freshly ground black pepper …